<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div class="a">xiaoyang</div>
    <div claas="aaa"></div>
    <div class="ww"></div>
    <div class="www"></div>
    <div class="wwww"></div>
</body>
<style>
    .a{
width: 200px;
height: 130px;
background-color: #aa6;
border: 1px solid red;
background-clip: content-box;
padding: 10px 20px 30px 40px;

       }
       .aaa{
        width: 200px;
        height: 130px;
        background-color: #aa6;
        border: 1px solid red;
        background-clip: content-box;
        margin: 10px;
       }
       .ww{
        
        width: 200px;
        height: 130px;
        background-color: rgb(11, 238, 49);
        border: 1px solid red;
        background-clip: content-box;
        padding: 10px 20px 30px;
        margin: 10px;
       }
       .www{
        width: 200px;
        height: 130px;
        background-color: rgb(11, 45, 238);
        border: 1px solid red;
        background-clip: content-box;
        margin: 10px;
        padding:10px 20px ;
       }
       .wwww{
        width: 200px;
        height: 130px;
        background-color: rgb(238, 215, 11);
        border: 1px solid red;
        background-clip: content-box;
        padding:10px ;
       }



</style>
</html>